Infiniti M Factory Service Manuals – M35 M37 M45 M56

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The original M45 is an understated vehicle in every way. While the styling wasn’t particularly striking, the power, speed, and interior of the car was outstanding. These features translated into a 340 horsepower highway speedster that took you to cruising in the triple digits while seated in the lap of luxury – without garnering extra attention from law enforcement the way other performance sedans do. Equipped with 10 way heated and cooled memory seats, intelligent cruise control, dual climate control, side curtain air bags, and real wood trim, the interior, performance, and safety features were impressive. However, after two years, the model was discontinued due to slow sales, likely due to the styling.

The refreshed M35/45 debuted in 2006. The new car was based on an improved G series platform with optional V6 and V8 engines. Both models are available in all wheel drive and ATTESA. The M45 received a revised multi-link suspension and double wishbone suspension which provides a sporty, comfortable ride. The M received high accolades such as Interior of the Year, a IIHS safety pick, and an award for the fastest production hybrid. The M is currently on its fourth incarnation, and in 2014, Infiniti renamed the lineup of M sedans to “Q70.”